/*
 * Copyright 1999-2101 Alibaba Group.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package com.alibaba.fastjson.serializer;

import java.io.IOException;

/**
 * 
 * @author wenshao<szujobs@hotmail.com>
 * 
 */
public class ArraySerializer extends ObjectSerializer {
	private final ObjectSerializer compObjectSerializer;

	public ArraySerializer(ObjectSerializer compObjectSerializer) {
		super();
		this.compObjectSerializer = compObjectSerializer;
	}

	public final void write(JSONSerializer serializer, Object object) throws IOException {
		SerializeWriter out = serializer.getWrier();
		
		Object[] array = (Object[]) object;
		int size = array.length;

		int end = size - 1;

		if (end == -1) {
			out.append("[]");
			return;
		}

		out.append('[');
		for (int i = 0; i < end; ++i) {
			Object item = array[i];

			if (item == null) {
				out.append("null,");
			} else {
				compObjectSerializer.write(serializer, item);
				out.append(',');
			}
		}

		Object item = array[end];

		if (item == null) {
			out.append("null]");
		} else {
			compObjectSerializer.write(serializer, item);
			out.append(']');
		}
	}
}